acabou de acontecer novamente, é isso que o dmesg mostra:
[72241.260112] INFO: task fsnotify_mark:200 blocked for more than 120 seconds. [72241.260120] Tainted: P OX 3.13.0-143-generic #192-Ubuntu [72241.260123] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [72241.260127] fsnotify_mark D ffff88086fcb3b00 0 200 2 0x00000000 [72241.260135] ffff880856eb7ce0 0000000000000046 ffff880856eb8000 0000000000013b00 [72241.260144] ffff880856eb7fd8 0000000000013b00 ffff880856eb8000 ffff880856eb7e10 [72241.260151] ffff880856eb7e18 7fffffffffffffff ffff880856eb8000 0000000000000000 [72241.260158] Call Trace: [72241.260171] [] schedule+0x29/0x70 [72241.260178] [] schedule_timeout+0x279/0x310 [72241.260188] [] ? native_sched_clock+0x13/0x80 [72241.260194] [] ? sched_clock+0x9/0x10 [72241.260201] [] ? sched_clock_local+0x1d/0x80 [72241.260208] [] wait_for_completion+0xa6/0x150 [72241.260213] [] ? wake_up_state+0x20/0x20 [72241.260221] [] __synchronize_srcu+0xfe/0x180 [72241.260226] [] ? call_srcu+0x70/0x70 [72241.260232] [] synchronize_srcu+0x1d/0x20 [72241.260240] [] fsnotify_mark_destroy+0x87/0x150 [72241.260247] [] ? prepare_to_wait_event+0x100/0x100 [72241.260252] [] ? fsnotify_put_mark+0x40/0x40 [72241.260259] [] kthread+0xcb/0xf0 [72241.260266] [] ? kthread_create_on_node+0x1c0/0x1c0 [72241.260274] [] ret_from_fork+0x6e/0xa0 [72241.260280] [] ? kthread_create_on_node+0x1c0/0x1c0 [72241.260384] INFO: task mel:8754 blocked for more than 120 seconds. [72241.260388] Tainted: P
OX 3.13.0-143-generic #192-Ubuntu [72241.260390] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [72241.260393] mel D ffff88086fc53b00 0 8754 7704 0x00000004 [72241.260398] ffff88007de63cf0 0000000000000082 ffff88041bd4b000 0000000000013b00 [72241.260405] ffff88007de63fd8 0000000000013b00 ffff88041bd4b000 ffff88007de63e20 [72241.260411] ffff88007de63e28 7fffffffffffffff ffff88041bd4b000 ffff88085886a160 [72241.260418] Call Trace: [72241.260424] [] schedule+0x29/0x70 [72241.260430] [] schedule_timeout+0x279/0x310 [72241.260439] [] ? mod_timer+0x10e/0x230 [72241.260445] [] ? add_timer+0x18/0x20 [72241.260451] [] wait_for_completion+0xa6/0x150 [72241.260456] [] ? wake_up_state+0x20/0x20 [72241.260462] [] __synchronize_srcu+0xfe/0x180 [72241.260467] [] ? call_srcu+0x70/0x70 [72241.260472] [] synchronize_srcu+0x1d/0x20 [72241.260478] [] fsnotify_destroy_group+0x1e/0x40 [72241.260484] [] inotify_release+0x22/0x50 [72241.260490] [] __fput+0xe7/0x260 [72241.260495] [] ____fput+0xe/0x10 [72241.260501] [] task_work_run+0xaf/0xd0 [72241.260508] [] do_notify_resume+0x97/0xb0 [72241.260515] [] int_signal+0x12/0x17